<template>
  <div class="about">
    <h1>{{id ? '编辑' : '新建'}}物品</h1>
    <el-form label-width="120px" @submit.native.prevent="save">
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="图标">
        <el-upload
            class="avatar-uploader"
            :action="uploadUrl"
            :headers="getAuthHeaders()"
            :show-file-list="false"
            :on-success="handleAvatarSuccess">
          <img v-if="model.icon"
               :src="model.icon"
               class="avatar">
          <i v-else class="el-icon-plus avatar-uploader-icon"></i>
        </el-upload>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" native-type="submit">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
export default {
  name: "CategoryEdit",
  props: {
    id: {}
  },
  data() {
    return {
      model: {
        name: ''
      }
    }
  },
  created() {
    this.id && this.fetch()
  },
  methods: {
    // 图片上传
    handleAvatarSuccess(res) {
      // this.$set: vue的显式赋值
      // this.model: 赋值主体 'icon': 赋值属性  res.url: 值
      this.$set(this.model, 'icon', res.url)
      //this.model.icon = res.url
    },
    async save() {
      let res // eslint-disable-line no-unused-vars
      if (this.id) {
        res = await this.$http.put(`rest/items/${this.id}`, this.model) // eslint-disable-line no-unused-vars
      } else {
        res = await this.$http.post('rest/items', this.model) // eslint-disable-line no-unused-vars
      }

      this.$router.push('/items/list')
      this.$message({
        type: 'success',
        message: '保存成功'
      })
    },
    async fetch(){
      const res = await this.$http.get(`rest/items/${this.id}`)
      this.model = res.data
    }

  }

}
</script>

<style scoped>

</style>